Who owns MAC prefix 001F58?

001F58 is registered to EMH Energiemesstechnik GmbH in the IEEE MA-L registry.

What devices use 001F58?

Any network device with a MAC address starting 00:1F:58 was manufactured by or for EMH Energiemesstechnik GmbH.

MA-L · OUI prefix

EMH Energiemesstechnik GmbH

Any MAC address starting 00:1F:58 is registered to EMH Energiemesstechnik GmbH in DE.

OUI prefix	001F58
Vendor	EMH Energiemesstechnik GmbH
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	00:1F:58:00:00:00

What this means

The IEEE assigned the MA-L block 001F58 to EMH Energiemesstechnik GmbH. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 00:1F:58, it is EMH Energiemesstechnik GmbH hardware.

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